婷婷激情五月综合,国产一区二区fc2ppv在线播放,五月花社区婷婷综合,2020国产成人久久精品,国内精品久久久久影院中国,天天躁日日躁狠狠躁欧美日韩

n. 整形外科，外科修補術；塑料，塑料制品（plastic的名詞復數）；<口>信用卡 精選例句 高考 1、 It is their plasticity at certain temperatures that gives plastics their main advantage over many other materials. 正是在一定溫度下塑料所具有的塑性使它比其他許多材料更優越。 來源: 2、 Plastics have found wide applications in many ways: dishes for one, machine parts for another. 塑料在許多方面得到了應用：餐具是其中一例，機器部件是另一例。 來源: